What makes Seedance 1.5 Pro different from other AI video models?

Seedance 1.5 Pro stands out with joint audio-video generation, multilingual lip-sync, first/last frame control, fixed lens mode, seed reproducibility, and the widest range of resolutions (480p-1080p) and aspect ratios (7 options). It's the most feature-rich model available on Seedance AI.

What is first and last frame control?

In Image-to-Video mode, upload a first-frame image to set the starting scene. Optionally add an end frame image to control where the video ends, giving you precise start-to-end creative direction that other models can't match.

What resolutions, durations, and aspect ratios are supported?

Resolutions: 480p, 720p, 1080p. Durations: 5-12 seconds. Aspect ratios: Auto, 16:9, 9:16, 4:3, 3:4, 21:9, 1:1. Credit costs: 480p from 100 credits, 720p from 250 credits, 1080p from 500 credits (for 5s).

How can I write better prompts for Seedance 1.5 Pro?

Describe scenes with character, action, camera movement, lighting, and mood using cinematic terminology. Example: 'A woman walking through a sunlit bamboo forest, gentle breeze moving the leaves, cinematic tracking shot with warm golden light and ambient nature sounds.' Use fixed lens for steady shots.

How much does Seedance 1.5 Pro cost?

Seedance 1.5 Pro uses credits based on resolution, duration, and generation mode. It is a cost-effective choice for 1080p clips, lip-sync, and first/last-frame image-to-video workflows.

Can I use Seedance 1.5 Pro for commercial projects?

Yes. Paid plans include full commercial usage rights, allowing businesses, agencies, and creators to use generated videos for marketing, advertising, social media, and client projects without limitations.

Seedance 1.5 Pro AI Video Generator

ByteDance's next-generation advanced video model built to create high-quality 1080p videos with synchronized audio. Designed for cinematic visuals, smooth motion, multilingual lip-sync, and immersive sound.

AI Model

Prompt(Required)0/2000

Resolution

Duration

Aspect Ratio

Advanced

Seed

Fix Camera

Credits required:25050

Sample Video

Your generated video will appear here

Why Choose Seedance 1.5 Pro?

ByteDance's most versatile video model with the widest range of creative controls among all available models.

Joint Audio-Video with Lip-Sync

Generate synchronized audio alongside video in a single step. Seedance 1.5 Pro creates context-aware ambient sounds, music, and speech with multilingual lip-sync — delivering immersive audiovisual content without separate audio editing.

First & Last Frame Control

Upload a first-frame image to set your starting scene, and optionally add an end frame to control exactly where the video ends. This gives you precise start-to-end creative direction that no other model offers.

Fixed Lens & Maximum Flexibility

Enable fixed lens mode for steady camera shots ideal for interviews, product showcases, or static compositions. With 3 resolutions (480p/720p/1080p), 7 aspect ratios, durations up to 12 seconds, and seed control for reproducibility — the most flexible model available.

How to Use Seedance 1.5 Pro

Create professional AI videos in three simple steps.

Enter a Prompt or Upload an Image

Write a detailed text prompt describing scene, motion, camera movement, lighting, and mood. Or upload a first-frame image to create an image-to-video result with optional end frame control.

Adjust Video Parameters

Choose resolution (480p/720p/1080p), duration (5-12s), aspect ratio, and toggle fixed lens mode. Enable audio generation and set a seed for reproducible results.

Generate & Download

Generate your video in high-quality with synchronized audio. Preview the cinematic result and download instantly — ready for marketing, social media, or professional use.

What is Seedance 1.5 Pro AI Video Generator?

Seedance 1.5 Pro is ByteDance's next-generation advanced AI video generation model designed to transform text or visual ideas into high-quality videos with synchronized audio. It excels at joint audio-video generation with multilingual lip-sync, camera control via fixed lens mode, and first/last frame image-to-video generation. Supporting resolutions up to 1080p, durations from 5 to 12 seconds, and 7 aspect ratios, Seedance 1.5 Pro delivers cinematic visuals without complex editing workflows — built for creators, marketers, and filmmakers who demand professional-grade results.

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ByteDance AI Video Generator Guide

Compare Seedance 2.0, Seedance 1.5 Pro, API options, and pricing.

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Frequently Asked Questions about Seedance 1.5 Pro

Ready to Create Professional AI Videos?

What is Seedance 1.5 Pro AI Video Generator?

Frequently Asked Questions about Seedance 1.5 Pro